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Date: Mon, 28 Feb 2022 22:05:40 +0100
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To: Craig Francis <craig@craigfrancis.co.uk>,
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Subject: Re: [PHP-DEV] Allowing NULL for some internal functions
From: cmbecker69@gmx.de ("Christoph M. Becker")

On 28.02.2022 at 21:51, Craig Francis wrote:

> And after all of this, no-one has come up with a way to find or address
> this problem, e.g.
>
> <?php
>   $nullable =3D ($_GET['a'] ?? NULL);
>   echo htmlentities($nullable);
> ?>

<?php
function my_htmlentities(string|null $value) {
    return htmlentities($value ?? "");
}

$nullable =3D ($_GET['a'] ?? NULL);
echo my_htmlentities($nullable);
?>

The BC break doesn't appear to be that serious after all.

=2D-
Christoph M. Becker